725961600 has 576 divisors, whose sum is σ = 3199691040. Its totient is φ = 152616960.

The previous prime is 725961589. The next prime is 725961601. The reversal of 725961600 is 6169527.

725961600 is a `hidden beast` number, since 7 + 2 + 596 + 1 + 60 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725961601) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2620662 + ... + 2620938.

Almost surely, 2^725961600 is an apocalyptic number.

725961600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725961600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599845520).

725961600 is an abundant number, since it is smaller than the sum of its proper divisors (2473729440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725961600 is a wasteful number, since it uses less digits than its factorization.

725961600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 725961600 is about 26943.6745823579. The cubic root of 725961600 is about 898.7478884560.

The spelling of 725961600 in words is "seven hundred twenty-five million, nine hundred sixty-one thousand, six hundred".